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In sulfur photosynthetic bacteria what is the molecule that donates hydrogen for photosynthesis?
In sulfur photosynthetic bacteria the substance that donates hydrogen is hydrogen sulfide (H2S) and not water. Thus there is no liberation of molecular oxygen but there is production of molecular sulfur (S2). (Oxygen and sulfur have similar number of valence electrons.)
how was life originated
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in humans, maleness of is determined by a pair of sex chromosomes called X and Y. (a)what is the genotype for males? (b)what is the genotype for females?
Q. What happens during aerobic respiration to the pyruvic acid molecules made by glycolysis? and What is the sequence of reactions that then follows? The pyruvic acid molecules
Define Improvement of cereal proteins - Mutual supplementation? Improvement of cereal proteins: Cereals, in general, are limiting in lysine and threonine while legumes, milk, m
MITOCHONDRIA It is the power house of the cell because they are the major centers of release of energy in the aerobic respiration. Mitochondria and chloroplast both are a
Q. What are the major cellular features of the beings of the plant kingdom? The typical plant cells are eukaryotic (have nucleus), photosynthetic (use light to make food) and a
Which of the following best compares the results of mitosis and meiosis? Mitosis results in four diploid cells, while meiosis results in two haploid cells. Mitosis results in four
what is the mode of nutrition in Pisces?
Growth Charts Management alone without any standard of comparison do not serve useful purpose. A number of standards have been developed to compare the measurement of any
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